Home / 1,650,907.92-2,278,369.80-916,102.56

Finding the Fourth Proportional to 1,650,907.92, 2,278,369.80 and 916,102.56

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Solution

The fourth proportional to 1,650,907.92, 2,278,369.80 and 916,102.56 is: 1,264,286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650,907.92 : 2,278,369.80 = 916,102.56 : x
  2. Step 2: Convert to fraction form
    1,650,907.92/2,278,369.80 = 916,102.56/x
  3. Step 3: Cross multiply
    1,650,907.92x = 2,278,369.80 × 916,102.56
  4. Step 4: Simplify right side
    1,650,907.92x = 2,087,220,406,406.69
  5. Step 5: Solve for x
    x = 2,087,220,406,406.69/1,650,907.92
  6. Step 6: Final answer
    x = 1,264,286.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.